21876144

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:147

約数の個数: 120

約数和(自身を含む): 63954240

約数和(自身を除く): 42078096

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 34, 38, 48, 51, 57, 68, 76, 83, 102, 114, 136, 152, 166, 204, 228, 249, 272, 289, 304, 323, 332, 408, 456, 498, 578, 646, 664, 816, 867, 912, 969, 996, 1156, 1292, 1328, 1411, 1577, 1734, 1938, 1992, 2312, 2584, 2822, 3154, 3468, 3876, 3984, 4233, 4624, 4731, 5168, 5491, 5644, 6308, 6936, 7752, 8466, 9462, 10982, 11288, 12616, 13872, 15504, 16473, 16932, 18924, 21964, 22576, 23987, 25232, 26809, 32946, 33864, 37848, 43928, 47974, 53618, 65892, 67728, 71961, 75696, 80427, 87856, 95948, 107236, 131784, 143922, 160854, 191896, 214472, 263568, 287844, 321708, 383792, 428944, 455753, 575688, 643416, 911506, 1151376, 1286832, 1367259, 1823012, 2734518, 3646024, 5469036, 7292048, 10938072, 21876144]

約数ペア:

[(1, 21876144), (2, 10938072), (3, 7292048), (4, 5469036), (6, 3646024), (8, 2734518), (12, 1823012), (16, 1367259), (17, 1286832), (19, 1151376), (24, 911506), (34, 643416), (38, 575688), (48, 455753), (51, 428944), (57, 383792), (68, 321708), (76, 287844), (83, 263568), (102, 214472), (114, 191896), (136, 160854), (152, 143922), (166, 131784), (204, 107236), (228, 95948), (249, 87856), (272, 80427), (289, 75696), (304, 71961), (323, 67728), (332, 65892), (408, 53618), (456, 47974), (498, 43928), (578, 37848), (646, 33864), (664, 32946), (816, 26809), (867, 25232), (912, 23987), (969, 22576), (996, 21964), (1156, 18924), (1292, 16932), (1328, 16473), (1411, 15504), (1577, 13872), (1734, 12616), (1938, 11288), (1992, 10982), (2312, 9462), (2584, 8466), (2822, 7752), (3154, 6936), (3468, 6308), (3876, 5644), (3984, 5491), (4233, 5168), (4624, 4731)]